     (render [_]
       (dom/div
         #js {:className "timer-middle"}
-        (om/build timer-controls (:on cursor))
+        (om/build timer-controls cursor)
         (om/build timer-view cursor)))))
 ; END timer-middle
 

; END timer-top

; START timer-controls
(defn timer-controls [on _]
  (reify
    om/IRender
    (render [_]

(defn can-update [{:keys [stime etime on]}]
  (and (.valueOf on) (> (- etime stime) 0)))
; END can-update

; START pom-view
(defn pom-view [{:keys [stime on] :as app} owner]
